I have some comments about the mesa upload:
- update-maintainer was not run for these packages: spirv-headers
directx-headers spirv-tools. Not a blocker, though.
- could a mesa update also affect internet browsers? If yes, could you please
include a simple browser test case to the test plan? Perhaps on youtube, or
some other page which uses 3D rendering features
- Potentially more critical: I see that this mesa update is removing the
libglapi-mesa binary package. What is that about? It seems to still be a
reverse dependency of non-mesa packages in noble, like bin:primus-libs.
** Changed in: mesa (Ubuntu Noble)
Status: In Progress => Incomplete
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https://bugs.launchpad.net/bugs/2111480
Title:
Backport packages for 24.04.3 HWE stack
Status in directx-headers package in Ubuntu:
Invalid
Status in llvm-toolchain-20 package in Ubuntu:
Invalid
Status in mesa package in Ubuntu:
Invalid
Status in spirv-headers package in Ubuntu:
Invalid
Status in spirv-llvm-translator-20 package in Ubuntu:
Invalid
Status in spirv-tools package in Ubuntu:
Invalid
Status in wayland-protocols package in Ubuntu:
Invalid
Status in directx-headers source package in Noble:
Fix Committed
Status in llvm-toolchain-20 source package in Noble:
Deferred
Status in mesa source package in Noble:
Incomplete
Status in spirv-headers source package in Noble:
Fix Committed
Status in spirv-llvm-translator-20 source package in Noble:
Deferred
Status in spirv-tools source package in Noble:
In Progress
Status in wayland-protocols source package in Noble:
Fix Committed
Bug description:
[Impact]
The graphics HWE stack from plucky needs to be backported for 24.04.3
directx-headers
- backport from plucky
- bumped build-dep of mesa
spirv-headers
- backport from plucky
- build-dep of new spirv-tools
spirv-tools
- backport from plucky
- has a bugfix that the intel shader compiler needs
- NOTE! the current version in noble FTBFS even without any updates enabled,
but this version builds, hence the full backport instead of just patching the
current one
wayland-protocols
- bumped build-dep of mesa
- note: this is NOT the version from plucky, which would require a newer
wayland
as well, but instead the oldest update to make mesa happy
mesa
- new major release, last of the series (25.0.7) so it has accumulated all
the fixes upstream considered worthy for it
- new HW support, bugfixes
[Test case]
We want to cover at least 2-3 different, widely used and already previously
supported GPU generations from both AMD and Intel which are supported by this
release, as those are the ones that cover most bases; nouveau users tend to
switch to the NVIDIA driver after installation. No need to test ancient GPU's
supported by mesa-amber. And best to focus on the newer generations (~5y and
newer) as the older ones are less likely to break at this point.
- AMD: Vega, Navi1x (RX5000*), Navi2x (RX6000*), Navi3x (RX7000*)
- Intel: gen9 (SKL/APL/KBL/CFL/WHL/CML), gen11 (ICL), gen12
(TGL/ADL/RKL/RPL/DG2)
Install the new packages and run some tests:
- check that the desktop is still using hw acceleration and hasn't fallen
back to swrast/llvmpipe
- run freely available benchmarks that torture the GPU (Unigine
Heaven/Valley/Superposition)
- run some games from Steam if possible
and in each case check that there is no gfx corruption happening or
worse.
Note that upstream releases have already been tested for OpenGL and
Vulkan conformance by their CI.
[Where things could go wrong]
This is a major update of Mesa, there could be regressions but we'll try to
catch any with testing. And since it shares bugs with plucky, we'd already know
if there are serious issues.
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